| Function report | 
| Source Code: arch\x86\include\asm\pgtable.h | Create Date:2022-07-28 06:00:17 | 
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick | 
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| Annotation kernel can get tool activity | Download SCCT | Chinese | 
Name:pmd_write
Proto:static inline int pmd_write(pmd_t pmd)
Type:int
Parameter:
| Type | Parameter | Name | 
|---|---|---|
| pmd_t | pmd | 
| Name | Describe | 
|---|---|
| __handle_mm_fault | By the time we get here, we already hold the mm semaphore* The mmap_sem may have been released depending on flags and our* return value. See filemap_fault() and __lock_page_or_retry(). | 
| follow_devmap_pmd | |
| can_follow_write_pmd | FOLL_FORCE can write to even unwritable pmd's, but only* after we've gone through a COW cycle and they are dirty. | 
| change_huge_pmd | Returns* - 0 if PMD could not be locked* - 1 if PMD was locked but protections unchange and TLB flush unnecessary* - HPAGE_PMD_NR is protections changed and TLB flush necessary | 
| __split_huge_pmd_locked | |
| pmd_to_hmm_pfn_flags | |
| wp_clean_pmd_entry | wp_clean_pmd_entry - The pagewalk pmd callback. | 
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